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(yo͞o` mə), Native North Americans whose language belongs to the Yuman branch of the Hokan-Siouan linguistic stock (see Native American languagesNative American languages,
languages of the native peoples of the Western Hemisphere and their descendants. A number of the Native American languages that were spoken at the time of the European arrival in the New World in the late 15th cent.
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). Also known as the Quechan, they formerly ranged over a large area in SW Arizona. Although a powerful group, the Yuma suffered much in warfare with the Maricopa, the Pima, and other tribes. In 1853 they numbered some 3,000. A reservation was created for them in 1883, but the next year they were removed to the California side of the Colorado River; they formally surrendered their lands to the United States in 1886. Today the remainder of the group lives on the Fort Yuma reservation in California and Arizona, numbering 1,160 in 1990.


See A. L. Kroeber, Yuman Tribes of the Lower Colorado (1920); J. Forbes, Warriors of the Colorado (1965).


(yo͞o` mə), city (1990 pop. 54,923), seat of Yuma co., extreme SW Ariz., on the eastern bank of the Colorado River near the confluence of the Gila River; founded 1854, inc. as a city 1914. It is a major trade center of an extensive farm area irrigated by the Yuma project. The project has turned more than 100,000 acres (40,470 hectares) of desert into a fertile farm region known for its cattle, citrus fruits, melons, winter vegetables, grains, and cotton. Paper products, machinery, construction materials, toys, and chemicals are manufactured. Two nearby military installations contribute to the city's economy—the sprawling Yuma Proving Ground and a U.S. Marine Corps air station.

Early missions were built in the area by Fathers Eusebio KinoKino, Eusebio Francisco
, c.1644–1711, missionary explorer in the American Southwest, b. Segno, in the Tyrol. He was in 1669 admitted to the Jesuit order. A distinguished mathematician, he observed the comet of 1680–81 at Cádiz, publishing his results in his
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 and F. T. H. Garcés; however, settlement did not occur until after Fort Yuma was built (1850) to protect overlanders on the route to California. After 1858, Yuma was a river port and the center of a gold-mining boom. Points of interest in the area include Fort Yuma (on the west bank of the river), the territorial prison (built 1875; now a museum), St. Thomas Mission (16th cent.), three dams on the Colorado River, and the California sand dunes.

References in periodicals archive ?
General Parts Group looks forward to serving the Yuma foodservice community by helping to lower the cost of ownership and increasing ROI through its full menu of service products.
During December 15-19, 2014, and January 15-16, 2015, household-based cluster investigations were conducted in Yuma County by public health workers from Yuma County Department of Public Health, Arizona Department of Health Services, University of Arizona, and CDC.
Combining ACTS with Assurance Health and Wellness will add service locations in Arizona City, Benson, Bisbee, Clifton, Coolidge, Maricopa, Parker, Quartzsite, Safford, Sierra Vista, San Luis, Wellton, Wilcox, and Yuma, as well as Phoenix and Tucson.
Our hearts and prayers go out to the family and friends of the Marine we lost in this tragic accident," MCAS Yuma Commanding Officer, Colonel Ricardo Martinez, said.
The Yuma clapper rail was listed as endangered in 1976 under the Endangered Species Preservation Act, based on its precariously small population size in the U.
Northern Arizona University first established a campus in Yuma in 1988 as a way to provide Arizona Western College students with an easier path to attain a bachelor's degree.
When smuggling organizations make an attempt like this, it helps us to realize how successful we really are here in the Yuma Sector.
According to the Yuma Sun, the extension was needed to complete a review of trial testimony.
The landfill is located 25 miles southwest of Yuma on the Mexican border, Shaffer said.
Some of the victims were friends and relatives of the gunman, said Yuma
Movie fans will know the name Yuma from the two films that bear its name - the 1957 Glenn Ford original and Christian Bale/Russell Crowe remake of The 3:10 to Yuma.
Birdwatchers are attracted by the species found there, including the Yuma Clapper Rail, listed as endangered by the U.